Ключевые слова: above, air, aircraft, airliner, airplane, atmosphere, aviation, background, blue, bright, clear, condensation, contrail, day, daylight, flight, fly, flying, free, heaven, high, jet, journey, line, move, nature, nobody, outdoor, outdoors, plane, sky, skyscape, space, speed, trace, track, trail, transport, transportation, travel, vapor, vapour, vertical, white,